#toTop {
    display: none;
    position: fixed;
    bottom: 5px;
/*    right: 5px;
    width: 64px;
    height: 64px;*/
    right: 0px;
    width: 45px;
    height: 45px;
    opacity: 0.4;
    z-index: 2;
    filter: alpha(opacity=40); /* For IE8 and earlier */
}
#toTop:hover {
    color: #1A232D;
    opacity: 0.8;
    filter: alpha(opacity=80); /* For IE8 and earlier */
}

#toTop span{
    font-size: 45px;
}